[cisco-voip] Cisco Fax Server/ Resource Unavailable / MGCP H323

[Bill Talley]

Addition to my previous email.

We had both t38 fax server and analog fax machines, requiring both fax relay
and fax/modem passthrough on the router.  With ccm-manager config server
setup on the router, call manager controlled the configuration.  In that
scenario, fax relay was being disabled after a reboot until being manually
re-enabled on the router and mgcp was reset.



-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Kalle Tetto
Sent: Monday, March 10, 2008 3:36 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] Cisco Fax Server/ Resource Unavailable / MGCP H323

Hi,

We have a Cisco Fax Server, Captaris 9.3 installed. Connecting via H323 
to a Cisco CCM Cluster 4.2(3). The CCM is connected via MGCP PRI to the 
PSTN.

PSTN<->MGCP VGW E1/PRI <-> CCM 4.2(3) <-> Fax Server H323

If I call in from PSTN I can see resource unavailable on the Q931 Debug 
of IOS. I could not test from inside currently, because we configured 
remotely with no one onsite.

I receive this error after 3 rings. If I call out from Fax Server it 
seems to be the same, the called FAX or phone rings, but after 3 rings 
the Fax server says destination busy.

I have checked for codec mismatches, but could not find any error. Also 
I have MTP, Transcoding and Conferencing configured. I will test 
tomorrow without Media Resources, only to be sure.

Has anyone had this before?

Has anyone this setup running, if so could you please pass me the 
running MGCP Config and the setup in the Fax Server.

Many Thanks and all the best.

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